The Hidden Valley community is located in southeastern Indiana and is built around Hidden Valley Lake, an impoundment on Doublelick Run, a small stream which flows southeast to the Ohio River. There are of common grounds and recreational areas. The lake occupies, with recreational opportunities that include fishing, boating and water skiing. A marina is located at the southeastern tip of the lake.
As of the census of 2000, there were 4,417 people, 1,542 households, and 1,318 families residing in the CDP. The population density was 1,047.8 people per square mile. There were 1,599 housing units at an average density of 379.3/sq mi. The racial makeup of the CDP was 97.83% White, 0.27% African American, 0.18% Native American, 0.50% Asian, 0.07% Pacific Islander, 0.34% from other races, and 0.82% from two or more races. Hispanic or Latino of any race were 0.82% of the population. There were 1,542 households, out of which 40.9% had children under the age of 18 living with them, 78.3% were married couplesliving together, 4.7% had a female householder with no husband present, and 14.5% were non-families. 10.7% of all households were made up of individuals, and 2.9% had someone living alone who was 65 years of age or older. The average household size was 2.86 and the average family size was 3.10. In the CDP, the population was spread out, with 28.1% under the age of 18, 5.7% from 18 to 24, 31.8% from 25 to 44, 26.6% from 45 to 64, and 7.8% who were 65 years of age or older. The median age was 37 years. For every 100 females, there were 102.0 males. For every 100 females age 18 and over, there were 100.3 males. The median income for a household in the CDP was $70,444, and the median income for a family was $72,892. Males had a median income of $46,168 versus $31,968 for females. The per capita income for the CDP was $25,464. About 2.9% of families and 2.8% of the population were below the poverty line, including 4.0% of those under age 18 and 3.1% of those age 65 or over.
Recreation
The community is home to Hidden Valley Golf Club, a private course owned by the Hidden Valley Lake Property Owners Association that features 6,511 yards of golf from the longest tees for a par of 72. The course rating is 71.6, and it has a slope rating of 120 on rye grass. Designed by Jack Kidwell/Dr. Michael Hurdzan, ASGCA, the HVGC opened in 1974. The course borders Valley Woods, another subdivision developed by the Rupel Family.
